added icon for apple homescreen icon

the icon is already here, just the <link rel=> tag missing
<link rel="apple-touch-icon" type="image/png" href="images/favicon/apple-touch-icon.png"/>

src/Ombi/ClientApp/src/index.html

@@ -14,6 +14,7 @@
     <link href="styles/spinkit.css" rel="stylesheet">
     <link href="styles/11-folding-cube.css" rel="stylesheet">
     <link rel="icon" type="image/png" href="images/favicon/favicon.ico"/>
+    <link rel="apple-touch-icon" type="image/png" href="images/favicon/apple-touch-icon.png"/>
     <script src="styles/please-wait.js"></script>
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />